RESUMO
BACKGROUND: The incidence of anal cancer is substantially higher among persons living with the human immunodeficiency virus (HIV) than in the general population. Similar to cervical cancer, anal cancer is preceded by high-grade squamous intraepithelial lesions (HSILs). Treatment for cervical HSIL reduces progression to cervical cancer; however, data from prospective studies of treatment for anal HSIL to prevent anal cancer are lacking. METHODS: We conducted a phase 3 trial at 25 U.S. sites. Persons living with HIV who were 35 years of age or older and who had biopsy-proven anal HSIL were randomly assigned, in a 1:1 ratio, to receive either HSIL treatment or active monitoring without treatment. Treatment included office-based ablative procedures, ablation or excision under anesthesia, or the administration of topical fluorouracil or imiquimod. The primary outcome was progression to anal cancer in a time-to-event analysis. Participants in the treatment group were treated until HSIL was completely resolved. All the participants underwent high-resolution anoscopy at least every 6 months; biopsy was also performed for suspected ongoing HSIL in the treatment group, annually in the active-monitoring group, or any time there was concern for cancer. RESULTS: Of 4459 participants who underwent randomization, 4446 (99.7%) were included in the analysis of the time to progression to cancer. With a median follow-up of 25.8 months, 9 cases were diagnosed in the treatment group (173 per 100,000 person-years; 95% confidence interval [CI], 90 to 332) and 21 cases in the active-monitoring group (402 per 100,000 person-years; 95% CI, 262 to 616). The rate of progression to anal cancer was lower in the treatment group than in the active-monitoring group by 57% (95% CI, 6 to 80; P = 0.03 by log-rank test). CONCLUSIONS: Among participants with biopsy-proven anal HSIL, the risk of anal cancer was significantly lower with treatment for anal HSIL than with active monitoring. (Funded by the National Cancer Institute; ClinicalTrials.gov number, NCT02135419.).
Assuntos
Neoplasias do Ânus , Infecções por HIV , Lesões Pré-Cancerosas , Lesões Intraepiteliais Escamosas , Conduta Expectante , Adulto , Neoplasias do Ânus/etiologia , Neoplasias do Ânus/patologia , Neoplasias do Ânus/prevenção & controle , Neoplasias do Ânus/terapia , Biópsia , Feminino , Infecções por HIV/complicações , Homossexualidade Masculina , Humanos , Masculino , Infecções por Papillomavirus/complicações , Lesões Pré-Cancerosas/etiologia , Lesões Pré-Cancerosas/patologia , Lesões Pré-Cancerosas/terapia , Estudos Prospectivos , Lesões Intraepiteliais Escamosas/etiologia , Lesões Intraepiteliais Escamosas/patologia , Lesões Intraepiteliais Escamosas/terapiaRESUMO
PURPOSE: Program evaluation to describe nursing hours per patient day (NHPPD) within the Veterans Health Administration (VHA) and to evaluate Staffing Methodology in the VHA Community Living Centers (CLCs). METHODS: Targeted and actual NHPPD were compiled retrospectively for each VHA CLC unit over a one-year timeframe for calendar year 2019. For descriptive analyses, actual NHPPD were averaged across months for each CLC unit. RESULTS: The mean for actual hours as a percent of target was 121.6% (95% CI, 118.5 to 124.7%) indicating the units' average hours across 2019 were 21.6% significantly higher than target. The actual NHPPD significantly differed across months (p<0.001) with the 2019 months of January and October having the highest NHPPD. CONCLUSIONS: Veteran safety is a VHA priority and appropriate nurse staffing is key to providing care that improves Veteran outcomes. Further exploration is needed on the impact of nurse staffing on Veteran outcomes, safety, and satisfaction.
Assuntos
Saúde dos Veteranos , Veteranos , Humanos , Admissão e Escalonamento de Pessoal , Avaliação de Programas e Projetos de Saúde , Estudos Retrospectivos , Estados Unidos , Recursos HumanosRESUMO
BACKGROUND: We aimed to determine if treatment of male sexual partners of women with recurrent bacterial vaginosis (BV) with oral metronidazole 2×/day for 7 days (ie, multidose metronidazole) significantly decreased BV recurrence rates in the female. METHODS: This was a multicenter, 2-arm, double-blind, placebo-controlled study. Women with recurrent BV and current diagnosis of BV by Amsel and Nugent were enrolled. Multidose metronidazole for 7 days was dispensed to women. Male partners were randomized to placebo versus multidose metronidazole for 7 days and asked to refrain from unprotected sex for 14 days. Female follow-up visits were conducted at day 21 and 8 and 16 weeks. Male follow-up visits occurred at days 14-21. BV cure was defined as 0-2 Amsel criteria and Nugent score 0-6 in the female partner with the primary endpoint at 16 weeks. RESULTS: 214 couples were enrolled. In the intent-to-treat population, there was no significant difference between treatment arms for the primary outcome. BV treatment failure occurred in 81% and 80% of women in the metronidazole and placebo arms through the third follow-up visit, respectively (Pâ >â .999). However, women whose male partners adhered to study medication were less likely to fail treatment (adjusted relative risk, .85; 95% CI, .73-.99; Pâ =â .035). This finding persisted in post hoc comparisons in the metronidazole arm. CONCLUSIONS: Overall, this study did not find that male partner treatment with multidose metronidazole significantly reduces BV recurrence in female partners, although women whose partners adhered to multidose metronidazole were less likely to fail treatment. CLINICAL TRIALS REGISTRATION: (NCT02209519).
Assuntos
Vaginose Bacteriana , Administração Oral , Método Duplo-Cego , Feminino , Humanos , Masculino , Metronidazol/uso terapêutico , Parceiros Sexuais , Vaginose Bacteriana/tratamento farmacológicoRESUMO
BACKGROUND: Men who have sex with men (MSM) are at high risk for human papillomavirus (HPV)-related anal cancer. Little is known about the prevalence of low-grade squamous intraepithelial lesions (LSILs) and the anal cancer precursor, high-grade squamous intraepithelial lesions (HSILs), among young MSM with HIV (MSMLWH). HPV vaccination is recommended in this group, but its safety, immunogenicity, and protection against vaccine-type HPV infection and associated LSILs/HSILs have not been studied. METHODS: Two hundred and sixty MSMLWH aged 18-26 years were screened at 17 US sites for a clinical trial of the quadrivalent (HPV6,11,16,18) HPV (qHPV) vaccine. Those without HSILs were vaccinated at 0, 2, and 6 months. Cytology, high-resolution anoscopy with biopsies of lesions, serology, and HPV testing of the mouth/penis/scrotum/anus/perianus were performed at screening/month 0 and months 7, 12, and 24. RESULTS: Among 260 MSMLWH screened, the most common reason for exclusion was detection of HSILs in 88/260 (34%). 144 MSMLWH were enrolled. 47% of enrollees were previously exposed to HPV16. No incident qHPV type-associated anal LSILs/HSILs were detected among men naive to that type, compared with 11.1, 2.2, 4.5, and 2.8 cases/100 person-years for HPV6,11,16,18-associated LSILs/HSILs, respectively, among those previously exposed to that type. qHPV was immunogenic and safe with no vaccine-associated serious adverse events. CONCLUSIONS: 18-26-year-old MSMLWH naive to qHPV vaccine types were protected against incident qHPV type-associated LSILs/HSILs. Given their high prevalence of HSILs, there is an urgent need to vaccinate young MSMLWH before exposure to vaccine HPV types, before initiating sexual activity, and to perform catch-up vaccination.
Assuntos
Alphapapillomavirus , Neoplasias do Ânus , Infecções por HIV , Infecções por Papillomavirus , Vacinas contra Papillomavirus , Minorias Sexuais e de Gênero , Lesões Intraepiteliais Escamosas , Adolescente , Adulto , Canal Anal , Neoplasias do Ânus/epidemiologia , Neoplasias do Ânus/prevenção & controle , HIV , Infecções por HIV/complicações , Infecções por HIV/prevenção & controle , Homossexualidade Masculina , Humanos , Masculino , Papillomaviridae/genética , Infecções por Papillomavirus/complicações , Infecções por Papillomavirus/epidemiologia , Infecções por Papillomavirus/prevenção & controle , Prevalência , Comportamento Sexual , Vacinação , Adulto JovemRESUMO
BACKGROUND: Women living with human immunodeficiency virus (WLHIV) have disproportionately high rates of squamous cell carcinoma of the anus compared with the general population of women. Anal high-grade squamous intraepithelial lesions (HSILs) precede anal cancer, and accurate studies of HSIL prevalence among WLHIV in the United States are lacking. METHODS: The AIDS Malignancy Consortium 084 study was a multicenter national trial to evaluate the prevalence of and risk factors for anal HSIL in a US cohort. Eligible participants were WLHIV aged ≥18 years with no history of anal HSIL. Study participants had an examination including collection of cervical/vaginal and anal specimens, followed by high-resolution anoscopy with biopsy. RESULTS: We enrolled 256 women with evaluable anal pathology. The mean age was 49.4 years, 64% women were non-Hispanic black, 67% were former or current smokers, and 56% reported ever having anal sex with a man. The median CD4 T-cell count was 664 cells/µL. The prevalence of anal histologic HSIL (hHSIL) was 27% (95% confidence interval [CI], 22%-33%). There was a strong concordance (240/254) between local and consensus pathologists for hHSIL vs less than hHSIL (κ = 0.86 [95% CI, .79-.93]). Current CD4 count of ≤200 cells/µL was the strongest predictor of consensus anal hHSIL diagnosis (adjusted odds ratio [aOR], 10.34 [95% CI, 3.47-30.87]). History of anoreceptive intercourse was also associated with hHSIL (aOR, 2.44 [95% CI, 1.22-4.76]). CONCLUSIONS: The prevalence of anal hHSIL in WLHIV in the United States was 27% in this study where all participants received high-resolution anoscopy and biopsy.
Assuntos
Neoplasias do Ânus , Infecções por HIV , Infecções por Papillomavirus , Canal Anal , Neoplasias do Ânus/epidemiologia , Feminino , HIV , Infecções por HIV/complicações , Infecções por HIV/epidemiologia , Humanos , Masculino , Pessoa de Meia-Idade , Infecções por Papillomavirus/complicações , Infecções por Papillomavirus/epidemiologia , Prevalência , Fatores de Risco , Lesões Intraepiteliais EscamosasRESUMO
Verification of relationship status beyond self-report is an important aspect in sexually transmitted infection research, including partner treatment studies where primary sexual partners are targeted for enrollment. This exploratory study describes the use of a novel couples' verification tool in a male partner treatment study of women with recurrent bacterial vaginosis.
Assuntos
Antibacterianos/uso terapêutico , Busca de Comunicante , Infecções Sexualmente Transmissíveis , Vaginose Bacteriana/epidemiologia , Vaginose Bacteriana/prevenção & controle , Feminino , Humanos , Masculino , Recidiva , Comportamento Sexual , Parceiros Sexuais , Resultado do Tratamento , Vaginose Bacteriana/tratamento farmacológico , Vaginose Bacteriana/transmissãoRESUMO
BACKGROUND: Anal high-grade squamous intraepithelial lesions (HSILs) ablation may reduce the incidence of invasive cancer, but few data exist on treatment efficacy and natural regression without treatment. METHODS: An open-label, randomized, multisite clinical trial of human immunodeficiency virus (HIV)-infected adults aged ≥27 years with 1-3 biopsy-proven anal HSILs (index HSILs) without prior history of HSIL treatment with infrared coagulation (IRC). Participants were randomized 1:1 to HSIL ablation with IRC (treatment) or no treatment (active monitoring [AM]). Participants were followed every 3 months with high-resolution anoscopy. Treatment participants underwent anal biopsies of suspected new or recurrent HSILs. The AM participants underwent biopsies only at month 12. The primary end point was complete clearance of index HSIL at month 12. RESULTS: We randomized 120 participants. Complete index HSIL clearance occurred more frequently in the treatment group than in the AM (62% vs 30%; risk difference, 32%; 95% confidence interval [CI], 13%-48%; P < .001). Complete or partial clearance (clearance of ≥1 index HSIL) occurred more commonly in the treatment group (82% vs 47%; risk difference, 35%; 95% CI, 16%-50%; P < .001). Having a single index lesion, compared with having 2-3 lesions, was significantly associated with complete clearance (relative risk, 1.96; 95% CI, 1.22-3.10). The most common adverse events related to treatment were mild or moderate anal pain and bleeding. No serious adverse events were deemed related to treatment or study participation. CONCLUSION: IRC ablation of anal HSILs results in more clearance of HSILs than observation alone.
Assuntos
Técnicas de Ablação/métodos , Síndrome da Imunodeficiência Adquirida/complicações , Neoplasias do Ânus/diagnóstico , Neoplasias do Ânus/cirurgia , Hipertermia Induzida/métodos , Lesões Intraepiteliais Escamosas/diagnóstico , Lesões Intraepiteliais Escamosas/cirurgia , Adulto , Idoso , Feminino , Seguimentos , Humanos , Masculino , Pessoa de Meia-Idade , Proctoscopia , Resultado do TratamentoRESUMO
OBJECTIVE: The epidemiology of bacterial vaginosis (BV) favours sexual transmission of BV-associated bacteria. We examined incubation period and risk factors for incident BV (iBV) in a prospective study of women who have sex with women (WSW). METHODS: Using daily self-collected vaginal swabs, WSW with normal vaginal microbiota (no Amsel criteria and a Nugent score of 0-3) were followed for 90 days or until iBV (Nugent score 7-10 on at least 2-3 consecutive days). Daily diaries of sexual activity and menses were completed. Time to iBV was estimated. Accounting for differing lengths of follow-up and age, rates of sexual activities (per 100 person-days (pd)) were compared according to iBV status. The relationship between menses and iBV was also investigated. RESULTS: Of the 36 WSW, the mean age was 30 years (SD 8) and 92% were African American. The probability of iBV at 30 and 60 days was 20% (SD 7%) and 36% (SD 8%), respectively; 14 (39%) developed iBV by 90 days. In WSW with iBV versus those without iBV, the relative rate of any sexual activity prior to iBV was 40% higher (20.4 vs 14.6 per 100 pd; p=0.010), sex with a woman was 38% higher (14.3 vs 10.3 per 100 pd; p=0.038), digital-vaginal sex was 57% higher (14.3 vs 9.1 per 100 pd; p=0.005) and digital-anal sex was 5.6 times higher (2.9 vs 0.5 per 100 pd; p<0.001). iBV was more likely for those WSW with menses in the prior 2 days as compared with those without recent menses (HR 3.4; p=0.029). Sexual activity occurred in 93% WSW at a median of 4 days (95% CI 2 to 6) prior to iBV. CONCLUSION: iBV was common and associated with sexual activity in this cohort of predominantly African American WSW. An incubation period of 4 days is consistent with other bacterial STIs.
Assuntos
Transmissão de Doença Infecciosa , Minorias Sexuais e de Gênero , Vaginose Bacteriana/transmissão , Adolescente , Adulto , Feminino , Humanos , Pessoa de Meia-Idade , Estudos Prospectivos , Fatores de Risco , Fatores de Tempo , Adulto JovemRESUMO
PURPOSE: To determine the feasibility, safety, and tolerability of concomitant chemoradiotherapy administered at standard doses in HIV-infected women with locally-advanced cervical cancer (LACC) receiving antiretroviral therapy (ART). PATIENTS AND METHODS: Eligible participants had HIV infection and untreated, histologically-confirmed, invasive carcinoma of the uterine cervix, FIGO stages IB2, IIA (if tumor >4â¯cm), IIB, IIIA, IIIB, or IVA and met standard eligibility criteria. Subjects were prescribed 41.4-45â¯Gy external beam radiation therapy followed by high dose rate brachytherapy concomitant with up to six weekly doses of cisplatin 40â¯mg/m2 and were followed for 12â¯months. RESULTS: Sixty-four women were screened at two sites in sub-Saharan Africa, of whom 40 eligible participants were enrolled, for a screening ratio of 1.60. Of the 38 eligible participants who initiated study treatment, 31 (82%) completed treatment. By the 12-month follow-up visit, 7 women had died of disease and 29 of 31 (94%) returned for follow-up. One-year progression-free survival was 76.3% (95% CI, 59.4-86.9%), and did not significantly differ according to stage at entry (pâ¯=â¯0.581). Participant-reported adherence to ART was high; by 12â¯months, 93% of participants had an undetectable viral load. The most common grade 3 or 4 adverse event was decreased lymphocyte count that affected all treated participants. Non-hematologic serious adverse events were similar to those observed in women with LACC without HIV infection. CONCLUSIONS: The majority of HIV-infected women with LACC can complete concomitant chemoradiotherapy with the same cisplatin dose used in HIV-uninfected women with comparable tolerability and high ART adherence while on treatment.
Assuntos
Cisplatino/uso terapêutico , Infecções por HIV/tratamento farmacológico , Infecções por HIV/patologia , Neoplasias do Colo do Útero/terapia , Neoplasias do Colo do Útero/virologia , Adulto , Antirretrovirais/uso terapêutico , Antineoplásicos/uso terapêutico , Quimiorradioterapia , Feminino , Humanos , Pessoa de Meia-Idade , Estadiamento de Neoplasias , Estudos Prospectivos , Radiossensibilizantes/uso terapêutico , Neoplasias do Colo do Útero/tratamento farmacológico , Neoplasias do Colo do Útero/radioterapiaRESUMO
The relative potency of one agent to another is commonly represented by the ratio of two quantal response parameters; for example, the LD50 of animals receiving a treatment to the LD50 of control animals, where LD50 is the dose of toxin that is lethal to 50% of animals. Though others have considered interval estimators of LD50, here, we extend Bayesian, bootstrap, likelihood ratio, Fieller's and Wald's methods to estimate intervals for relative potency in a parallel-line assay context. In addition to comparing their coverage probabilities, we also consider their power in two types of dose designs: one assigning treatment and control the same doses vs. one choosing doses for treatment and control to achieve same lethality targets. We explore these methods in realistic contexts of relative potency of radiation countermeasures. For larger experiments (e.g., ≥100 animals), the methods return similar results regardless of the interval estimation method or experiment design. For smaller experiments (e.g., < 60 animals), Wald's method stands out among the others, producing intervals that hold closely to nominal levels and providing more power than the other methods in statistically efficient designs. Using this simple statistical method within a statistically efficient design, researchers can reduce animal numbers.
Assuntos
Protetores contra Radiação/administração & dosagem , Protetores contra Radiação/toxicidade , Projetos de Pesquisa/estatística & dados numéricos , Toxicologia/estatística & dados numéricos , Animais , Teorema de Bayes , Simulação por Computador , Relação Dose-Resposta a Droga , Humanos , Dose Letal Mediana , Razão de Chances , Probabilidade , Toxicologia/métodosRESUMO
BACKGROUND: Urogenital Chlamydia trachomatis infection remains prevalent and causes substantial reproductive morbidity. Recent studies have raised concern about the efficacy of azithromycin for the treatment of chlamydia infection. METHODS: We conducted a randomized trial comparing oral azithromycin with doxycycline for the treatment of urogenital chlamydia infection among adolescents in youth correctional facilities, to evaluate the noninferiority of azithromycin (1 g in one dose) to doxycycline (100 mg twice daily for 7 days). The treatment was directly observed. The primary end point was treatment failure at 28 days after treatment initiation, with treatment failure determined on the basis of nucleic acid amplification testing, sexual history, and outer membrane protein A (OmpA) genotyping of C. trachomatis strains. RESULTS: Among the 567 participants enrolled, 284 were randomly assigned to receive azithromycin, and 283 were randomly assigned to receive doxycycline. A total of 155 participants in each treatment group (65% male) made up the per-protocol population. There were no treatment failures in the doxycycline group. In the azithromycin group, treatment failure occurred in 5 participants (3.2%; 95% confidence interval, 0.4 to 7.4%). The observed difference in failure rates between the treatment groups was 3.2 percentage points, with an upper boundary of the 90% confidence interval of 5.9 percentage points, which exceeded the prespecified absolute 5-percentage-point cutoff for establishing the noninferiority of azithromycin. CONCLUSIONS: In the context of a closed population receiving directly observed treatment for urogenital chlamydia infection, the efficacy of azithromycin was 97%, and the efficacy of doxycycline was 100%. The noninferiority of azithromycin was not established in this setting. (Funded by the National Institute of Allergy and Infectious Diseases; ClinicalTrials.gov number, NCT00980148.).
Assuntos
Antibacterianos/uso terapêutico , Azitromicina/uso terapêutico , Infecções por Chlamydia/tratamento farmacológico , Chlamydia trachomatis , Doxiciclina/uso terapêutico , Adolescente , Antibacterianos/efeitos adversos , Azitromicina/efeitos adversos , Chlamydia trachomatis/isolamento & purificação , Intervalos de Confiança , Terapia Diretamente Observada , Feminino , Humanos , Masculino , Prisões , Parceiros Sexuais , Falha de Tratamento , Urina/microbiologia , Adulto JovemRESUMO
Juvenile myelomonocytic leukemia (JMML) is an aggressive pediatric mixed myelodysplastic/myeloproliferative neoplasm (MDS/MPN). JMML leukemogenesis is linked to a hyperactivated RAS pathway, with driver mutations in the KRAS, NRAS, NF1, PTPN11, or CBL genes. Previous murine models demonstrated how those genes contributed to the selective hypersensitivity of JMML cells to granulocyte macrophage-colony-stimulating factor (GM-CSF), a unifying characteristic in the disease. However, it is unclear what causes the early death in children with JMML, because transformation to acute leukemia is rare. Here, we demonstrate that loss of Pten (phosphatase and tensin homolog) protein at postnatal day 8 in mice harboring Nf1 haploinsufficiency results in an aggressive MPN with death at a murine prepubertal age of 20 to 35 days (equivalent to an early juvenile age in JMML patients). The death in the mice was due to organ infiltration with monocytes/macrophages. There were elevated activities of protein kinase B (Akt) and mitogen-activated protein kinase (MAPK) in cells at physiological concentrations of GM-CSF. These were more pronounced in mice with Nf1 haploinsufficiency than in littermates with wild-type Nf1,but this model is insufficient to cause cells to be GM-CSF hypersensitive. This new model represents a murine MPN model with features of a pediatric unclassifiable mixed MDS/MPN and mimics many clinical manifestations of JMML in terms of age of onset, aggressiveness, and organ infiltration with monocytes/macrophages. Our data suggest that the timing of the loss of PTEN protein plays a critical role in determining the disease severity in myeloid malignancies. This model may be useful for studying the pathogenesis of pediatric diseases with alterations in the Ras pathway.
Assuntos
Transtornos Mieloproliferativos/genética , PTEN Fosfo-Hidrolase/genética , PTEN Fosfo-Hidrolase/metabolismo , Animais , Transplante de Medula Óssea , Movimento Celular , Separação Celular , Modelos Animais de Doenças , Feminino , Citometria de Fluxo , Fator Estimulador de Colônias de Granulócitos e Macrófagos/metabolismo , Neoplasias Hematológicas/genética , Neoplasias Hematológicas/metabolismo , Sistema de Sinalização das MAP Quinases , Macrófagos/metabolismo , Masculino , Camundongos , Camundongos Endogâmicos C57BL , Camundongos Transgênicos , Monócitos/metabolismo , Transtornos Mieloproliferativos/metabolismo , Neurofibromina 1/genética , Proteínas Proto-Oncogênicas c-akt/metabolismo , Células-Tronco/citologia , Fatores de Tempo , Proteínas ras/metabolismoRESUMO
BACKGROUND AND PURPOSE: Dental and periodontal diseases represent important but often overlooked causes of acute sinusitis. Our goal was to examine the prevalence of potential odontogenic sources of acute maxillary sinusitis according to immune status and their associations with sinusitis. MATERIALS AND METHODS: A retrospective review of maxillofacial computed tomography studies from 2013 to 2014 was performed. Each maxillary sinus and its ipsilateral dentition were evaluated for findings of acute sinusitis and dental/periodontal disease. RESULTS: Eighty-four patients (24 immunocompetent, 60 immunocompromised) had 171 maxillary sinuses that met inclusion criteria for acute maxillary sinusitis. Inspection of dentition revealed oroantral fistula in 1%, periapical lucencies in 16%, and projecting tooth root(s) in 71% of cases. Immunocompromised patients were more likely to have bilateral sinusitis than immunocompetent patients (67% vs 33%, P = 0.005). A paired case-control analysis in a subset of patients with unilateral maxillary sinusitis (n = 39) showed a higher prevalence of periapical lucency in association with sinuses that had an air fluid level-29% of sinuses with a fluid level had periapical lucency compared with 12% without sinus fluid (P = 0.033). CONCLUSIONS: Potential odontogenic sources of acute maxillary sinusitis are highly prevalent in both immunocompetent and immunocompromised patients, although the 2 patient populations demonstrate no difference in the prevalence of these potential odontogenic sources. Periapical lucencies were found to be associated with an ipsilateral sinus fluid level. Increased awareness of the importance of dental and periodontal diseases as key components of maxillofacial computed tomography interpretation would facilitate a more appropriate and timely treatment.
Assuntos
Imunocompetência/imunologia , Hospedeiro Imunocomprometido/imunologia , Sinusite Maxilar/diagnóstico por imagem , Doenças Periodontais/diagnóstico por imagem , Análise de Causa Fundamental/métodos , Tomografia Computadorizada por Raios X , Doenças Dentárias/diagnóstico por imagem , Doença Aguda , Ossos Faciais/diagnóstico por imagem , Humanos , Maxila/diagnóstico por imagem , Sinusite Maxilar/complicações , Sinusite Maxilar/imunologia , Doenças Periodontais/complicações , Doenças Periodontais/imunologia , Estudos Retrospectivos , Doenças Dentárias/complicações , Doenças Dentárias/imunologiaRESUMO
PURPOSE: To establish effective aorta diameter standards at multiple levels of the thoracic aorta, abdominal aorta, and common iliac arteries by using computed tomographic (CT) data in healthy children (infants, children, adolescents) through young adults (hereafter referred to collectively as "children") of a wide range of sizes so that z scores may be calculated. MATERIALS AND METHODS: This retrospective study was approved by the institutional review board. The effective diameter, the average of aortic anteroposterior and lateral diameters, was independently measured at multiple levels of the aorta and common iliac arteries by two radiologists using 1-mm-collimation double-oblique reconstructions. Ordinary least squares regression methods were used to investigate models with various functional forms that related effective diameters at each level to patient body surface area (BSA) and sex. The best model was selected by using R(2), and formulas for deriving the expected diameter and estimates of the mean squared error (MSE) were generated. RESULTS: Results from 88 thoracic and 110 abdominal contrast material-enhanced CT examinations were analyzed in children without known cardiovascular disease who ranged in age from 0 to 20 years (mean, 9.9 years; standard deviation, 5.7), with BSA ranging from 0.19 to 2.52 m(2). Excellent interrater reliability was present (correlation coefficients ranged from 0.95 to 0.98). The best model was a polynomial regression model of the natural log transformation of the effective diameter that included linear, quadratic, and cubic BSA terms and a sex main effect as independent variables. The z scores were calculated by using the observed and expected effective diameters and the MSE. CONCLUSION: The range of normal effective diameters of the aorta at multiple levels and the common iliac arteries was determined for children of different sizes and both sexes. Measurements outside of the normal ranges are consistent with aneurysm or hypoplasia.
Assuntos
Aorta/anatomia & histologia , Artéria Ilíaca/anatomia & histologia , Adolescente , Aortografia/métodos , Criança , Pré-Escolar , Feminino , Humanos , Artéria Ilíaca/diagnóstico por imagem , Lactente , Masculino , Tamanho do Órgão , Valores de Referência , Estudos Retrospectivos , Tomografia Computadorizada por Raios X , Adulto JovemRESUMO
The natural history of chlamydia is variable and may include persisting asymptomatic infection, complications, or spontaneous resolution before treatment. Reinfection is common. We evaluated whether spontaneous resolution was associated with decreased reinfection in women returning for treatment of a positive chlamydia screening test. At enrollment, participants were tested for chlamydia, treated with azithromycin, and scheduled for a 6-month follow-up visit for repeat testing. Two hundred participants returned 1 to 12 months after treatment. Spontaneous resolution at enrollment was demonstrated in 44 (22.0%). Reinfection at follow-up occurred in 33 (16.5%), being more frequent in those with persisting infection at enrollment versus spontaneous resolution (31 of 156 [19.9%] vs 2 of 44 [4.5%]; P = .016). Adjusting for age, the odds of reinfection was 4 times higher for participants with persisting infection at enrollment (odds ratio 4.0, 95% confidence interval, 1.1-25.6; P = .034). Chlamydia treatment may attenuate protective immunity in some patients.
Assuntos
Antibacterianos/uso terapêutico , Infecções por Chlamydia/imunologia , Infecções por Chlamydia/prevenção & controle , Chlamydia trachomatis/fisiologia , Doenças dos Genitais Femininos/imunologia , Doenças dos Genitais Femininos/prevenção & controle , Adolescente , Adulto , Azitromicina/uso terapêutico , Infecções por Chlamydia/tratamento farmacológico , Infecções por Chlamydia/microbiologia , Estudos de Coortes , Feminino , Seguimentos , Doenças dos Genitais Femininos/tratamento farmacológico , Doenças dos Genitais Femininos/microbiologia , Humanos , Imunidade , Pessoa de Meia-Idade , Estudos Prospectivos , Remissão Espontânea , Fatores de Risco , Prevenção Secundária , Adulto JovemRESUMO
BACKGROUND: Trichomonas vaginalis is the causative agent of the most common curable sexually transmitted disease in the world. The infection is treated with a single oral dose of metronidazole or tinidazole, currently the only licensed class of drugs available for this indication; however, both of these antimicrobials are associated with significant gastrointestinal adverse effects, and some individuals are unable to tolerate them because of these adverse effects. METHODS: Randomized, dose-ranging pilot study conducted in 2 phases consisting of 20 participants in each phase. In the first phase, participants were randomized to the vaginal suppository (metronidazole 750 mg/miconazole nitrate 200 mg) twice a day for 7 days versus oral metronidazole 2 g single dose. In the second phase, participants randomized to suppository used it once a day for 7 days. Women were reevaluated on days 12 to 15 and 30 to 35. Treatment failures were defined as persistence of trichomonas by wet prep and/or culture. RESULTS: There were no significant differences in cure rates between the vaginal suppositories and oral metronidazole in either phase. The overall efficacy across both follow-up visits was 80% versus 90% for the suppository (2×/d) versus oral medication arms in phase 1 (P = 1.00) and 78% versus 70% for the suppository (1×/d) versus oral medication arms in phase 2 (P = 1.00). The results were also nonsignificant when combining results across arm (P = 1.00). CONCLUSIONS: High-dose intravaginal metronidazole combined with miconazole offers the possibility of a well-tolerated treatment that avoids the systemic adverse effects of nitroimidazoles for the treatment of trichomoniasis.
Assuntos
Anti-Infecciosos/administração & dosagem , Metronidazol/administração & dosagem , Miconazol/administração & dosagem , Infecções Sexualmente Transmissíveis/tratamento farmacológico , Vaginite por Trichomonas/tratamento farmacológico , Administração Intravaginal , Administração Oral , Adulto , Alabama , Anti-Infecciosos/efeitos adversos , Anti-Infecciosos/uso terapêutico , Relação Dose-Resposta a Droga , Feminino , Seguimentos , Humanos , Metronidazol/efeitos adversos , Metronidazol/uso terapêutico , Miconazol/efeitos adversos , Miconazol/uso terapêutico , Projetos Piloto , Técnica de Amplificação ao Acaso de DNA Polimórfico , Especificidade da Espécie , Resultado do Tratamento , Trichomonas vaginalis/efeitos dos fármacos , Adulto JovemRESUMO
PURPOSE: High-grade anal intraepithelial neoplasia (HGAIN) is the precursor lesion to invasive anal cancer. Human papillomavirus (HPV) vaccination holds great promise for preventing anal cancer. METHODS: We examined 235 HIV-1-infected men screening for participation in a multisite clinical trial of a quadrivalent HPV vaccine. All participants had anal swabs obtained for HPV testing and cytology and high-resolution anoscopy with biopsies of visible lesions to assess for HGAIN. RESULTS: HPV types 16 and 18 were detected in 23% and 10%, respectively; abnormal anal cytology was found in 56% and HGAIN in 30%. HGAIN prevalence was significantly higher in those with HPV16 detection compared to those without (38% vs 17%; P = .01). Use of antiretroviral therapy and nadir and current CD4+ cell count were not associated with abnormal anal cytology or HGAIN. CONCLUSION: HGAIN is highly prevalent in HIV-infected men. Further studies are needed on treatment and prevention of HGAIN.
Assuntos
Síndrome da Imunodeficiência Adquirida/complicações , Neoplasias do Ânus/prevenção & controle , Carcinoma in Situ/prevenção & controle , HIV-1 , Vacinas contra Papillomavirus/imunologia , Vacinação , Adulto , Neoplasias do Ânus/epidemiologia , Contagem de Linfócito CD4 , Carcinoma in Situ/epidemiologia , Papillomavirus Humano 16/isolamento & purificação , Humanos , Masculino , Pessoa de Meia-IdadeRESUMO
PURPOSE: The purpose of this quality improvement project was to examine the feasibility of rapidly converting a Tai Chi program for older Veterans from face-to-face to virtual classes. METHODS: Eighteen Veterans attending our face-to-face Tai Chi course were invited to transition to virtual classes. Feasibility was defined as the ability of program staff and participants to successfully connect and complete the initial and subsequent classes by VA Video Connect (VVC) with little to no technical difficulties, participant ability to participate in the course without safety concerns, and favorable feedback from participants and program staff. RESULTS: Nine of 18 Veterans agreed to transition to the virtual program and attended a median (interquartile range) of 11 (4-15) classes; they were younger (62.7 + 11.5 vs. 70.5 + 7.0 years, p < .05) and more likely to have the knowledge and equipment needed to participate (78% vs. 0%, p < .01) than nonparticipants. Tai Chi instructors and participating Veterans reported being able to connect to and complete the classes virtually with only minimal technical problems. No adverse events were reported. Feedback from the instructors and Veterans was positive and included comments on ease of use and enjoyability. CONCLUSION: Results suggest that virtual Tai Chi classes via VVC are feasible for some older Veterans.
Assuntos
COVID-19 , Tai Chi Chuan , Veteranos , Humanos , Pandemias , Melhoria de QualidadeRESUMO
BACKGROUND: Substance use disorders are a leading cause of morbidity and mortality in the United States, with opioid use disorder representing a growing public health concern and economic burden. Veterans within the Veterans Health Administration are impacted by opioid use disorder. SIGNIFICANCE: A common medication-assisted treatment is sublingual Suboxone (buprenorphine/naloxone) used in combination with behavior modification therapy. Missed Suboxone doses may lead to withdrawal and potential drug diversion. Sublocade (buprenorphine extended-release) is an alternative once-monthly subcutaneous injection administered by a healthcare provider. The purpose of this quality improvement project was to examine the effects of Sublocade on cravings in veterans with opioid use disorder. METHODS: Veterans were considered for Sublocade monthly injections if they were enrolled in the Suboxone program, not taking Suboxone as prescribed, and disenrolled from the Suboxone program more than 2 times. Cravings were measured before and after Sublocade program enrollment. RESULTS: Fifteen veterans were enrolled in the Sublocade program over a 12-month timeframe. Most were male (93%) with a median (range) age of 42 (33-62) years. The following were the primary opioids used before enrollment in the substance use disorder program: hydrocodone (47%), oxycodone (20%), and heroin (20%). Sublocade significantly reduced cravings (p = .001). In this small group, cravings were fully eliminated. DISCUSSION: Recent studies have shown Sublocade effectively blocks the effects of other opioids and minimizes the risk of medication diversion that occurs with Suboxone. For these reasons, Sublocade is an alternative medication-assisted treatment for veterans with opioid use disorder.